Material 1.0722
Free-cutting steel
The material 10SPb20 is a free-cutting steel alloyed with silicon. The addition of silicon improves hardenability. The addition of lead improves machinability.
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Standards
Material Category: Free-cutting steel
Chemical Composition
C % | Si % | Mn % | P % | S % | Pb % |
0,07 - 0,13 | max 0,40 | 0,70 - 1,10 | max 0,060 | 0,150 - 0,250 | 0,200 - 0,350 |
Mechanical Properties
1.0722 / 10SPb20 Rolled and peeled | |||
Dimension mm | Tensile strength (Rm) N/mm² | Hardness (HBW) | |
16 - 40 mm | 360 - 530 N/mm² | <= 156 HBW | |
40 - 63 mm | 360 - 530 N/mm² | <= 156 HBW | |
63 - 100 mm | 350 - 490 N/mm² | <= 146 HBW | |
Cold drawn | |||
Dimension mm | 0,2% Yield strength (Rp0,2) N/mm² | Tensile strength (Rm) N/mm² | Elongation (A5, 65) % |
5 - 10 mm | >= 410 N/mm² | 520 - 780 N/mm² | >= 7 % |
10 - 16 mm | >= 390 N/mm² | 490 - 740 N/mm² | >= 8 % |
16 - 40 mm | >= 360 N/mm² | 460 - 720 N/mm² | >= 9 % |
41 - 63 mm | >= 295 N/mm² | 410 - 660 N/mm² | >= 10 % |
64 - 100 mm | >= 235 N/mm² | 380 - 630 N/mm² | >= 11 % |
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